184 
NOCTUT.DJE. 
chocolate-brown terminal line. Hind wing deep chocolate- 
brown, the cilia paler red-brown. Underside red -brown 
tinged with greyish ; hind wing with slight brown discoidal 
striga. 
Hob. Bk. Guiana, Demerara (Rodway), 1 type. Exp. 
30 millim. 
Deinopa mesancona, n. sp. 
$. Head, thorax, and abdomen red-brown mixed with some 
greyish ; ventral surface of abdomen whitish. Fore whig 
greyish suffused with red-brown and irrorated with dark 
brown ; antemedial line chocolate-brown, sinuous, with small 
oblique triangular black-brown spot at costa ; a black point 
in middle of cell and two discoidal points ; a black-brown spot 
on costa above end of cell ; postmedial line chocolate-brown, 
arising below costa, slightly excurved to vein 4, then incurved, 
a red-brown shade beyond it extending to the costa ; sub- 
terminal line dark brown, rather diffused and waved, incurved 
at discal fold and excurved at middle ; a series of small black- 
brown spots just before termen. Hind wing dark reddish 
brown tinged with grey. Underside of fore wing reddish 
brown tinged with grey ; hind wing whitish irrorated with 
red-brown, a slight brown discoidal striga. 
Hab. Br. Guiana, Demerara (Rodway), 1 $ type. Exp. 
28 millim. 
Genus POLYGRAPTA, nov. 
Type, P. argyropasta. 
Proboscis fully developed ; palpi upturned, the 2nd joint 
reaching to well above vertex of head, rather broadly scaled 
in front, slightly angled with scales above near base and 
tufted with scales behind at extremity, the 3rd long, with 
large tuft of scales behind at middle and somewhat acuminate 
at extremity ; frons smooth, with tuft of hair above ; eyes 
large, round ; antenna; of male bipectinate with long branches, 
the apical part with bristles and cilia ; thorax clothed almost 
entirely with scales and without crests, the mesothorax with 
some long spatulate scales ; tibiae slightly fringed with hair ; 
abdomen smoothly scaled and without crests, but with a 
pair of small tufts of spatulate scales just behind the meta- 
thorax and small dorsal tuft on anterior part of 2nd segment. 
Fore wing with the apex somewhat produced, the termen 
slightly excised below apex and excurved at middle, not 
crenulate ; vein 3 from well before angle of cell ; ."> from 
just above angle ; (i from upper angle ; 1) from 10 anastomos- 
ing with 8 to form the areole ; 1 1 from cell ; the male with 
large costal fold on underside extending to middle of costa. 
Hind wing with the cell nearly half the length of wing ; 
